Wolfgang Steinicke also updated his historic NGC and for the first time produced a historic IC catalogue.
Historic Data and Catalogues
Biographical information on 172 NGC/IC observer with 528 pictures (April 23, 2008)
"Historic NGC" with complete information about discoverers, instruments and references for each object (April 20, 2008)
"Historic IC" with complete information about discoverers, instruments and references for each object (April 25, 2008)
http://www.klima-luft.de/steinicke/index_e.htm